Display screen or portion thereof with transitional graphical user interface



FIG. 1 is a front view of the first image in a sequence of a displayscreen or portion thereof with transitional graphical user interfaceshowing our new design according to a first embodiment;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is a front view of the first image in a sequence of a displayscreen or portion thereof with transitional graphical user interfaceshowing our new design according to a second embodiment;

FIG. 5 is the second image thereof;

FIG. 6 is the third image thereof;

FIG. 7 is a front view of the first image in a sequence of a displayscreen or portion thereof with transitional graphical user interfaceshowing our new design according to a third embodiment;

FIG. 8 is the second image thereof; and,

FIG. 9 is the third image thereof.

The dashed broken line perimeter in the drawings illustrates a displayscreen or portion thereof and forms no part of the claimed design. Theremaining dashed broken lines in the drawings illustrate portions of thegraphical user interface that form no part of the claimed design. Thestipple shading surrounding the money bowls in FIGS. 3, 6, and 9 ,represents a glowing visual effect.

The appearance of the transitional image sequentially transitionsbetween the images shown in FIGS. 1-3, 4-6, and 7-9 , respectively. Theprocess or period in which one image transitions to another image formsno part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withtransitional graphical user interface, as shown and described.